CVE-2026-4523

ℹ️ low

Summary

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.11 before 19.2.7, 19.3 before 19.3.3, and 19.4 before 19.4.1 that under certain conditions could have allowed an unauthenticated user to read CI/CD job trace contents containing sensitive variable values due to improper authorization enforcement in the GraphQL API.

CVSS Score

3.7

Low

EPSS Score

0.4

Exploit Probability

Published Date

2026-09-29

First Seen: 2026-10-03

📊 Relative Risk Intelligence

This CVE is Lower Risk - more severe than 3.9% of all 365,890 vulnerabilities in our database.

#351,731

Below average severity

Severity Percentile

🎯 CISA SSVC Assessment Updated: Sep 29, 2026

🔍 Exploitation Status

None

No known exploits

⚙️ Automatable

Requires human interaction

💥 Technical Impact

Partial

Limited system impact

🏆 Discovered By

Thanks [scyoon](https://hackerone.com/scyoon) for reporting this vulnerability through our HackerOne bug bounty program

SSVC data provided by CISA

Last Modified 2026-10-05

Source NVD 🔗

CVSS Vector 3.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

CWE IDs (Weakness Types)

CWE-862

📦 Affected Products 3

Vendor	Product	Status	Affected Versions
gitlab	gitlab	Affected	> 15.11.0 < 19.2.7
gitlab	gitlab	Affected	> 19.3.0 < 19.3.3
gitlab	gitlab	Affected	v19.4.0

🔗 References 3

https://docs.gitlab.com/releases/patches/patch-relea...

Release Notes Vendor Advisory

https://gitlab.com/gitlab-org/gitlab/-/work_items/59...

Broken Link

https://hackerone.com/reports/3590929

Permissions Required

🔗 Related CVEs 6

CVE ID	Severity	CVSS	EPSS	Summary	Published
CVE-2026-10518	🔶 medium	4.3	0.3	GitLab has remediated an issue in GitLab EE affecting all versions from 17.9 before 19.2.7, 19.3 before 19.3.3, and 19.4...	2026-09-29
CVE-2026-84739	⚠️ high	8.7	0.5	GitLab has remediated an issue in GitLab CE/EE affecting all versions from 13.11 before 19.2.7, 19.3 before 19.3.3, and ...	2026-09-29
CVE-2026-8937	🔶 medium	4.3	0.3	GitLab has remediated an issue in GitLab CE/EE affecting all versions from 19.0 before 19.2.7, 19.3 before 19.3.3, and 1...	2026-09-29
CVE-2026-89078	⛔ critical	9.9	0.4	GitLab has remediated an issue in GitLab CE/EE affecting all versions from 19.2 before 19.2.7, 19.3 before 19.3.3, and 1...	2026-09-24
CVE-2026-92470	⚠️ high	7.7	0.2	GitLab has remediated an issue in GitLab EE affecting all versions from 18.7 before 19.2.7, 19.3 before 19.3.3, and 19.4...	2026-09-24
CVE-2026-92529	🔶 medium	4.3	0.2	GitLab has remediated an issue in GitLab EE affecting all versions from 19.1 before 19.2.7, 19.3 before 19.3.3, and 19.4...	2026-09-24

These CVEs affect the same products